I could not tell you. On my RV V10, it blew out the front seal twice, once when I got it , had around 5000 miles and it started leaking. Ford replace it and stated that it was over filled. I had never add any fluid and it did show just a tad over the full mark. Second time just about out of warranty and again front seal. Got the same statement of over filled. After that time, when it was change I did it every 2/3 years and always fill to the mark and never had leak again. I did notice that when I change it after warranty the whine that I had went away. It seem to be coming from transmission. Was told from the local dealer that it was normal sound. I have a year 99.
I change the fluid on all my other vehicle on a 3/5 year change out. Had no issue with them.